State some observations that can be made when water is added to calcium oxide?Does it Fizz? Is fizzing correct?   Please help me. Chemistry exam is tomorrow

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nessus eNotes educator| Certified Educator

The mixture will heat up. If there is enough mixture you may see some steam and some of the water may boil which would make it appear to "fizz". Calcium oxide has the trivial name "lime". Adding water makes calcium hydroxide or "slaked lime".

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