Why solubility of alkaline earth metal hydroxides increases from `Be(OH)_(2)` to `Ba(OH)_(2)`?

Consider the following statements and pick out the wrong one. (1) The solubility, thermal stability and th basic character of the hydroxides of alkaline earth metal increases from Mg(OH)_(2) to Ba(OH)_(2) . (2) The dehydration of hydrated chlorides, bromides an iodides of Ca, Sr and Ba can be achieved on heating. (3) The chlorides of both beryllium and aluminium are solubel in organic solvents and are strong Lewis acids.

Why does the solubility of alkaline earth metal hydroxides in water increase down the group?

Why does the solubility of alkaline earth metal hydroxides in water increase down the group?