2 Cu(NO₃)₂ → 2 CuO + 4 NO + 3 O₂

This is an oxidation-reduction (redox) reaction:

Cu(NO₃)₂ is an oxidizing agent, Cu(NO₃)₂ is a reducing agent.

Reactants:

• Cu(NO₃)₂ – Copper(II) nitrate
  • Other names: Cupric nitrate , Nitrato de cobre (II) , Нитрат меди (II) (безводный) ... show moreНитрат меди(II) (anh.) , Cu (NO3)2 , Динитрат меди , Азотная кислота, соль меди(2+) , Нитрат меди , Нитрат меди(2+) show less
  • Appearance: Blue crystals | hygroscopic

Products:

• CuO – Copper(II) oxide
  • Other names: Cupric oxide , Copper monoxide , Copper oxide ... show moreCu(II) oxide , Cuprum oxydatum nigrum , Cuprous Oxide show less
  • Appearance: Black to brown powder
• NO – Nitrogen monoxide , Oxidonitrogen(•) (additive)
  • Other names: Nitric oxide , Nitrogen(II) oxide , Nitric oxide (radical) ... show moreMononitrogen monoxide , (.)NO , EDRF , Nitrogen monooxide , [NO] , Oxido de nitrogeno(ii) , NO(.) , Oxido nitrico , Stickstoff(ii)-oxid , NO , Oxyde azotique , Oxyde nitrique , Stickstoffmonoxid , Nitrosyl , (NO)(.) , Monoxido de nitrogeno , Endothelium-derived relaxing factor , Nitroxide radical , Nitroxyl , Nitrosyl radical , Hydroxyamine , Nitrogen oxide , Nitrogen protoxide , Nitrosyl hydride , Nitric Oxide show less
  • Appearance: Colourless gas ; Colourless compressed gas ; Colorless gas. [Note: Shipped as a nonliquefied compressed gas.]
• O₂
  • Names: Dioxygen , Oxygen , Oxygen (liquefied) ... show moreO2 , O₂ , Oxygen gas , Molecular oxygen , Oxygen, refrigerated liquid , LOX , Liquid oxygen show less
  • Appearance: Odourless compressed gas ; Liquefied gas. colourless-to-blue extremely cold liquid