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Alkali metais can react with water to fo...

Alkali metais can react with water to form hydroxides which are alkalies:
(a) Which of the following will react more vigorously with water? `K, C a, Na` and `Mg`.
(b) Arrange the following in the increasing order of basicity. Sustain your observations.
`NaOH, LiOH, RbOH, KOH, CsOH`.

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(a) .K. will react vigorously
(b) .LiOH Basicity of hydroxides increases from top to bottom in the group.
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