A salt and water are produced when acids react with metal oxides . Metal oxides are bases , because they neutralise acids.

Do oxides dissolve in acid?

Acidic Oxides (Acid Anhydrides)

The oxide will be soluble if its reaction with water produces a strong or very strong acid because these acids ionize completely shifting the equilibrium toward dissolution. If the reaction with water produces a moderately acidic oxoacid, the oxide may or may not be soluble.

How do metal oxides react with acids?

Metallic oxides react with acids to give salts and water. ... After the reaction takes place the colour of the solution becomes blue-green due to the formation of copper (II) chloride and the copper oxide dissolves. This proves that metallic oxides are basic oxides.