Should I keep in contact with my ex boyfriend?

I’m married, and I just got a message on Facebook from my old boyfriend I dated two years ago (he broke up with me) that he wants to call on the phone and talk (as friends). I’ve had him on Facebook as friends for years before I got married and I rarely heard from him and my Husband didn’t care since he has an ex girlfriend on his too. We openly show our Facebook to one another, no secrets.
I’ve been going through a lot in life and I guess my ex has too, but he hasn’t shown any interest on Facebook when I posted things that was looking for support from friends and family with. Nothing crazy but if he cared I feel like he would have shown interest. Now all of a sudden he wants to talk and it just feels weird because he hasn’t been great at caring about my feelings as a friend. I haven’t told my husband yet, or replied back. Do you think I should ignore him, or talk?

Should I keep in contact with my ex boyfriend?
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