Al₂O₃ (s) + 3 Cu(OH)₂ (s) → 3 CuO (s) + 2 Al(OH)₃ (s)

This is an acid-base reaction (neutralization): Al₂O₃ is an acid, Cu(OH)₂ is a base.

Reactants:

• Al₂O₃
  • Names: Aluminium oxide (Aluminum oxide) , Aluminum oxide , Aluminium oxide ... show moreAlpha-Alumina , Alumina , Aluminum trioxide , Alpha-Aluminum oxide , Abramant , Abramax , Abrarex , Abrasit , Alcoa F 1 , Almite , Alon C , Aloxite , Cab-O-grip , Catapal S , Compalox , Conopal , Diadur , Dialuminum trioxide , Dispal alumina , Dispal M , Dural , Dotment 324 , Dotment 358 , Exolon XW 60 , Faserton , Fasertonerde , Hypalox II , Jubenon R , Ketjen B , Lucalox , Martoxin , Poraminar , Aluminum oxide [a-Alumina] , Aluminum trioxide [a-Alumina] , [Note: α-Alumina is the main component of technical grade alumina. Corundum is natural Al2O3. Emery is an impure crystalline variety of Al2O3.] show less
  • Appearance: White solid ; White powder ; White, odorless, crystalline powder.
• Cu(OH)₂ – Copper(II) hydroxide
  • Other names: Cupric hydroxide , Cu(OH)2
  • Appearance: Blue or blue-green solid

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
• Al(OH)₃ – Aluminium hydroxide , Aluminium(3+) trioxidanide
  • Other names: Aluminic acid , Aluminum hydroxide , Al(OH)3 ... show moreAmphojel , Dialume , Aluminium hydroxide gel, dried , Aluminium hydroxide, dried , Aluminum hydroxide gel, dried , Aluminum hydroxide, dried , Dried aluminium hydroxide , Dried aluminum hydroxide gel , Alumina hydrate , Aluminum oxide trihydrate , Trihydroxyaluminum show less
  • Appearance: White amorphous powder ; Odourless white solid in various forms