CH3CHO + 2 Cu2+ + 5 OH- → CH3COO- + Cu2O + 3 H2O
Reactants:
- CH3CHO – Acetaldehyde



, Ethanal 



- Other names: Acetic aldehyde



, Ethyl aldehyde 


, Acetylaldehyde
, NSC 7594 
- Appearance: Colourless liquid
; Gas or colourless liquid with pungent odour
; Colorless liquid or gas (above 69°F) with a pungent, fruity odor. 
- Cu2+
- OH- – Hydroxide

- Other names: Hydroxide ion

Products:
- CH3COO-
- Cu2O – Copper(I) oxide


- Other names: Cuprous oxide


, Dicopper oxide 
, Cuprite
Red copper oxide 
, Copper (i) oxide
, Copper (I) oxide 
- Appearance: Brownish-red solid
; Yellow, red or brown crystalline powder 
- 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
