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Oxides of Group 16

"Both Li and ...

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"Both Li and Mg forms Basic oxides."
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Solution

All alkali metal oxides form basic solutions of hydroxides when dissolved in water.
$L i_{2} O + H_{2} O \to 2 L i O H$
Most group 2 oxides and hydroxides are only slightly soluble in water and form basic, or alkaline solutions of hydroxides.
$M g O + H_{2} O \to M g (O H)_{2}$

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