2 CuSO₄ + K₄[Fe(CN)₆] → Cu₂[Fe(CN)₆] + 2 K₂SO₄

Reactants:

• CuSO₄ – Copper(II) sulfate
  • Other names: Cupric sulphate , Blue vitriol (pentahydrate) , Bluestone (pentahydrate) ... show moreBonattite (trihydrate mineral) , Boothite (heptahydrate mineral) , Chalcanthite (pentahydrate mineral) , Chalcocyanite (mineral) , Cupric sulfate , Copper sulfate (anhydrous) , CuSO4 , Copper sulfate , Cupric sulfate anhydrous , Copper monosulphate , Copper sulfate (1:1) , Cupric sulphate anhydrous , Copper sulphate , Copper(2+) sulfate , Copper(II) sulphate , Copper monosulfate , Cupric sulfate, anhydrous , Cupric sulphate, anhydrous , Sulfuric acid, copper(2+) salt(1:1) show less
  • Appearance: Gray-white (anhydrous) | blue (pentahydrate) ; White hygroscopic crystals
• K₄[Fe(CN)₆] – Potassium hexacyanidoferrate(II)
  • Other names: Potassium ferrocyanide , (Yellow) Prussiate of Potash , Potassium hexacyanoferrate (II) trihydrate ... show moreTetrapotassium ferrocyanide trihydrate , Ferrate hexacyano tetrapotassium trihydrate , Potassium hexacyanoferrate(4-) , Tetrapotassium hexacyanoferrate , K4[Fe(CN)6] show less
  • Appearance: Light yellow, crystalline granules

Products:

• Cu₂[Fe(CN)₆]
• K₂SO₄
  • Names: Potassium sulfate , Potassium sulphate , Dipotassium sulfate ... show moreKaliumsulfat , K2SO4 , Sulfuric acid dipotassium salt show less
  • Appearance: White solid ; Colourless-to-white crystals