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<p>at 500&nbsp;°C which decomposes at that temperature giving pure potassium oxide and oxygen.</p>

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<p><a href="page.php?w=Potassium_hydroxide">Potassium hydroxide</a> cannot be further dehydrated to the oxide but it can react with molten potassium to produce it, releasing <a href="page.php?w=hydrogen">hydrogen</a> as a byproduct.</p>

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<p><big>Properties and reactions</big></p>
<p>K<sub>2</sub>O crystallises in the <a href="page.php?w=Fluorite_structure">
 antifluorite structure</a>.  In this motif the positions of the <a href="page.php?w=anion">anion</a>s</p><p>
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