is insoluble in water. It dissolves in concentrated solution.
A balanced ionic equation for this reaction has to be written
The type of reaction has to be mentioned
Oxides of metals and non-metals may be,
Acidic-exhibits acidic character
Basic-exhibits basic character
Amphoteric-exhibits both acidic and basic character
Neutral-does not exhibit any of the acidic or basic character
Except , all the alkali and alkaline earth metals are basic.
Hydroxides like are amphoteric.
Most of the amhoteric hydroxides are insoluble except which reacts with both acids and bases