Mark 10:12

And if a woman should divorce her husband, and will be married to another, she commits adultery.

1 Corinthians 7:11

But even if she separates, she shall remain unmarried, or be reconciled to her husband. And a husband is not to leave his wife.

1 Corinthians 7:13

And whichever woman has an unbelieving husband, and he consents to dwell with her, she should not leave him.

Treasury of Scripture Knowledge

Summary

And if a woman shall put away her husband, and be married to another, she committeth adultery.

Bible References

General references

Exodus 20:14
Thou shall not commit adultery.
Luke 16:18
Every man who divorces his wife and marries another, commits adultery, and every man who marries her who has been divorced from a husband commits adultery.
1 Corinthians 7:4
The wife has not the right of her private body, but the husband, and likewise also the husband has not the right of his private body, but the wife.