If you play it legit then you might. But if you bot it then no. I have level 50's there and they die often. But the bot isn't as smart to run all the time.
Lots of lvl 3 skillers have got lvl 99 mining in LRC. They die from time to time, but if you wear only a pickaxe, you have nothing to loose except ores.
If you are legitting, then you will die less than botters.
You'll be fine. You'll probably die like once every hour or so, but any good bot will run back and continue.
Plus, since you won't be botting, if you're hit once and it's not a KO you can run away and continue mining without dieing.
as everybody else stated it'll work fine, although you'll die a fair bit, it's a good idea to wear the spottier cape or boots of lightness, so you can run longer periods of time. Good Luck.
I did it just fine 85-99. There are so many people and when they do get attacked they run safely. Just make sure you keep your pic if you die because there is almost a 100% chance you will at least one time. But it will not hinder xp rates that much.