Often times, couples undergoing divorce find it hard to communicate with their ex-partners. The following tips may help people communicate better with their former partners:
1) Limit communication to necessary and mandatory topics. Do not engage in ’emotional’ or ‘closure’ discussions;
2) seek professional help to heal the wounds of the past relationship so the present and future communications are not stained by the negativity of the past;
3) do not follow your former partner on social media;
4) change the previous pattern of corresponding by monitoring and changing your own actions, emotions and reactions.
http://divorcedmoms.com/articles/10-tips-to-keep-you-from-killing-your-ex-during–after-divorce-