Thermal Stability , Solubility factors Of Alkaline Earth and Alkali metals salts

Alkaline earth metal salts are:

What is the trend of solubility, thermal stability and basic character of hydroxides fo alkaline earth metals ?

Compare the solubility and thermal stability of the following compounds of the alkali metals with those of the alkaline earth metals. (a) Nitrates (b) Carbonates (c) Sulphates.

What is the correct order of thermal stability of carbonates of alkaline earth metals?

Thermal stability of hydrides of alkali metals -

Compounds of alkaline earth metals are less soluble in water than the corresponding alkali metal salts due to :