Guys, if you received a message from a girl that was just reaching out to say hi and see how you've been, would you find it weird or acceptable?

We've technically known each other since we were kids. We went to school together, then drifted apart with life, then reconnected and he sent me a friend request. We've never really talked and got to know each other, and I'm now realizing I'd like to. I just want to send a nice hello like: "Hey. I know we don't really talk, but just wanted to say hi and see how you've been." But I'm afraid of it coming across desperate or weird. We do live in different states due to work now, so I'm also nervous he'll think it's weird I'm reaching out when we don't live close. I just can't decide if I should take the risk and do it or forget it. Thoughts?

Guys, if you received a message from a girl that was just reaching out to say hi and see how you've been, would you find it weird or acceptable?
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