4 AgF2 + 2 H2O → 4 AgF + 4 HF + O2

This is an oxidation-reduction (redox) reaction:

4 AgII + 4 e- → 4 AgI (reduction)

2 O-II - 4 e- → 2 O0 (oxidation)

AgF2 is an oxidizing agent, H2O is a reducing agent.

Reactants:

  • AgF2 – Silver(II) fluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Silver difluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, AgF₂ source: wikidata, accessed: 2019-09-02
    • Appearance: White or grey crystalline powder, hygroscopic source: wikipedia, accessed: 2019-09-27
  • H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27

Products:

  • AgF – Silver(I) fluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Silver fluoride source: wikidata, accessed: 2019-09-02, Argentous fluoride source: wikidata, accessed: 2019-09-02, AgF source: wikidata, accessed: 2019-09-02
    • Appearance: Yellow-brown solid source: wikipedia, accessed: 2019-09-27
  • HF – Fluorane source: wikipedia, accessed: 2019-09-27source: wikipedia, accessed: 2019-09-27
    • Other names: Hydrofluoric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, Hydrogen fluoride source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Fluorhydric acid source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless solution source: wikipedia, accessed: 2019-09-27; Colourless gas or colourless liquid (below 19.5 °C) source: wikipedia, accessed: 2019-09-27; Colourless gas or colourless fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04; Colourless fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04; Colorless gas or fuming liquid (below 67°F) with a strong, irritating odor. [Note: Shipped in cylinders.] source: NIOSH NPG, accessed: 2019-09-02
  • O2
    • Names: Dioxygen source: wikidata, accessed: 2019-09-07, Oxygen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, Oxygen (liquefied) source: ICSC, accessed: 2019-09-04
    • Appearance: Odourless compressed gas source: ICSC, accessed: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed: 2019-09-04