Why are monoxides of alkaline earth metals are very stable?

What are alkaline earth metals? Why are they called so?

Which of the following hydroxide of alkaline earth metals is least basic ?

Which one of the alkaline earth metals carbonate is thermally most and last stalbe. Why?

List the carbonates and hydroxide of alkaline earth metals in order of their increasing stability and their solution.

Why are ionic hydrides of only alkali metals and alkaline earth metals are known ? Give two examples.

Which one of the following properties is more applicable to alkaline earth metals compared with alkali metals ?

The least soluble alkaline earth metal sulphate is :