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What happens when calcium reacts with warm water?

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A labeled diagram of the periodic table entry for calcium, showing its atomic number 20, symbol Ca, atomic weight 40.078, electron configuration, and classification as an alkaline-earth metal. Icons indicate calcium is a solid with a face-centered cubic crystal structure and strongly basic oxides at room temperature. — calcium The chemical element calcium is the most abundant metallic element in the human body.

When calcium metal reacts with warm water, it reacts rapidly to produce hydrogen gas and calcium hydroxide.1

This reaction is more vigorous than the reaction with cold water, which occurs more slowly.1