Answer
X and Y can form ionic compound
Work Step by Step
Element X can lose 1 electron to form $X^{+}$ ion and Element Y can attain 2 electrons to form $Y^{-2}$ ion. $X^{+}$ and $Y^{-2}$ ions can combine to form $X_{2}Y$ ionic compound.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.