Cu(OH)2 (s) → H2O (l) + CuO (s)
Reactants:
- Cu(OH)2 – Copper(II) hydroxide

- Other names: Cupric hydroxide

, Cu(OH)2 
- Appearance: Blue or blue-green solid

Products:
- H2O – Water, oxidane

- Other names: Water (H2O)
, Hydrogen hydroxide (HH or HOH)
, Hydrogen oxide
Dihydrogen monoxide (DHMO) (systematic name)
, Hydrogen monoxide
, Dihydrogen oxide
, Hydric acid
, Hydrohydroxic acid
, Hydroxic acid
, Hydrol
, Μ-oxido dihydrogen
, Κ1-hydroxyl hydrogen(0) 
- Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas

- CuO – Copper(II) oxide


- Other names: Cupric oxide

, Copper monoxide
, Copper oxide
Cu(II) oxide
, Cuprum oxydatum nigrum
, Cuprous Oxide 
- Appearance: Black to brown powder
