CuSO₄ + Mg → Cu + MgSO₄

This is an oxidation-reduction (redox) reaction:

CuSO₄ is an oxidizing agent, Mg is a reducing agent.

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
• Mg
  • Names: Magnesium , Magnesium (powder) , Magnesium (pellets) ... show moreMg , Element 12 , Magnesium turnings show less
  • Appearance: Grey powder ; Silvery-white metallic solid in various forms

Products:

• Cu
  • Names: Copper , Copper (dusts and mists, as Cu) , Cu ... show moreCU-7 , Tatum-T , Paragard T 380A , Element 29 , Cuprum , Copper metal dusts , Copper metal fumes show less
  • Appearance: Solid in various forms. turns green on exposure to moist air ; Reddish, lustrous, malleable, odorless solid.
• MgSO₄ – Magnesium sulfate
  • Other names: Epsom salt (heptahydrate) , English salt , Bitter salts ... show moreBath salts , MgSO4 , Magnesium sulphate , Magnesium sulfate anhydrous , Epsom salt , Heptahydrate , Magnesium(II) sulfate , Magnesium sulfate (1:1) , Magnesiumsulfat show less
  • Appearance: White crystalline solid ; Hygroscopic odourless white crystals or powder