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Which is more basic LaOH(3) or LuOH(3) ....

Which is more basic `LaOH_(3)` or `LuOH_(3)` . Why?

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La(OH), is more basic than. .L u(O H)_(x). - From La .^(3+). to .L u^(2)., size decreases. Hence the covalent char- acter of hydroxides increases from .L a(O H)., to .(Lu)(OH)_(3). according to Fajan.s rule.
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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
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