What type of compound is calcium oxide? Chemistry Matter Compounds 1 Answer anor277 Jul 15, 2018 Is this not an ionic salt....? Explanation: Formed of #Ca^(2+)#, and #O^(2-)# ions? Older names include #"quicklime"#, and #"burnt lime"#...its manufacture is part of the lime cycle, and is used in the manufacture of concrete and mortar, ubiquitous building materials. Answer link Related questions Why compounds of transition metals are coloured? What compounds conduct electricity? Are compounds considered pure substances? What compounds are insoluble in water? What compounds are electrolytes? What compounds are hydrophobic? How can I calculate the molar mass of a compound? How can compounds be broken down? Can compounds be both ionic and covalent? How are molecular compounds named? See all questions in Compounds Impact of this question 4609 views around the world You can reuse this answer Creative Commons License