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What is formed when calcium oxide reacts with water?

Question
What is formed when calcium oxide reacts with water?
Calcium carbonate
Calcium chloride
Calcium hydroxide (slaked lime)
Calcium sulphate
Answer
Calcium hydroxide (slaked lime)
Detailed Explanation
Calcium oxide reacts vigorously with water to produce calcium hydroxide, commonly called slaked lime, releasing a large amount of heat. — Examisthan.com
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