Predict the products when methanol is added to water by

Question

1. Predict the reaction products when silver sulfide is added to water by writing a balanced chemical equation.  If the substance dissolves, give the type of dissolving process involved.

2. Predict the products when methanol is added to water by writing a balanced chemical equation.  If the substance dissolves, give the type of dissolving process involved.

3. Predict the reaction products when potassium hydroxide is added to water by writing a balanced chemical equation.  If the substance dissolves, give the type of dissolving process involved.

4. Predict the reaction products when Na₂SO₄(s) is added to water by writing a balanced chemical equation.  If the substance dissolves, give the type of dissolving process involved.