Answer:
Neutral (0)
Explanation:
This is because Cu usually forms 2+ charges.
We have 2 Cu atoms, so the overall charge will be 4+
S can form 4- charges.
There is only one S, so putting it together we have a 4+ and a 4- charge, so the overall charge of the compound is 0.
Hope this helps! Let me know if you have any questions :)