There is no problem with that upgrade. Even if there's some bottlenecking, it doesn't matter, it simply means that your video card is waiting on the CPU sometimes.
If you found a video card that were perfectly matched to your CPU with absolutely no bottlenecking whatsoever, then you would NEVER lose performance by going to a videocard that is more powerful.
Ivy Bridge is still a strong chipset but your clock speed on all four cores is a little low for today (3.2GHz). It will hold the 1060 back a little (6GB variant specifically) but not really enough to make an impact to your eyes.
There is no problem with that upgrade. Even if there's some bottlenecking, it doesn't matter, it simply means that your video card is waiting on the CPU sometimes.
If you found a video card that were perfectly matched to your CPU with absolutely no bottlenecking whatsoever, then you would NEVER lose performance by going to a videocard that is more powerful.