Write the reaction equation for the reaction of acetic acid with zinc and copper (II) oxide.

Acetic acid, like all carboxylic acids, reacts with metals and their oxides to release the corresponding salt.
Reaction with metals:
2CH3COOH + Zn = (CH3COO) 2Zn + H2 ↑, zinc acetate and hydrogen are formed.
Reaction with oxides:
2CH3COOH + CuO = (CH3COO) 2Cu + H2O, copper (II) acetate and water are formed.

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